Hey there, sorry to hear you're stuck with that blank Jupyter page—let's walk through some common fixes to get it up and running properly:

1. Try a Different Browser #

Jupyter Notebook works best with modern, up-to-date browsers like Chrome, Firefox, or Edge. If you're using Safari (especially older versions) or a niche browser, switch to one of these mainstream options and see if the page loads.

2. Clear Browser Cache & Cookies #

Cached files or corrupted cookies can often break web-based tools like Jupyter. Here's how to clear them:

• Windows/Linux: Press Ctrl + Shift + Delete
• Mac: Press Cmd + Shift + Delete
  Make sure to select "Cached images and files" and "Cookies and other site data", then restart your browser before reopening Jupyter.

3. Verify Jupyter Server Status & Try a New Port #

Open the terminal/command prompt where you launched Jupyter and check for any error messages. If you see something like "Address already in use", it means the default port (8888) is occupied. Launch Jupyter on a different port with this command:

jupyter notebook --port 8889

Then use the new URL (with :8889 at the end) to access Jupyter.

4. Check Firewall/Antivirus Settings #

Sometimes local firewalls or antivirus software block the connection between your browser and the Jupyter server running on your machine. Temporarily disable your firewall/antivirus (just for testing!) and see if the page loads. If it does, add Jupyter to your security tool's whitelist to keep it working.

5. Reinstall Jupyter Core Components #

Corrupted installation files might be the culprit. Uninstall the core Jupyter packages and reinstall them fresh:

pip uninstall -y jupyter jupyter-core jupyter-client
pip install jupyter

After reinstalling, launch Jupyter again and check if the page loads.

6. Inspect Browser Developer Tools for Errors #

If none of the above works, open your browser's Developer Tools (press F12 or right-click the blank page and select "Inspect") and go to the Console tab. Look for red error messages (like failed script loads or network errors)—sharing these messages will help narrow down the exact issue.

Let me know if any of these steps resolve the problem, or if you find specific error messages in the console or terminal!

内容的提问来源于stack exchange，提问作者Lada